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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Soft Matter. 2012 May 17;8(24):2608–2619. doi: 10.1039/C2SM00047D

Fig. 3.

Fig. 3

Influence of serum on normalized luciferase expression in COS-7 cells treated with lipoplexes formed from pCMV-Luc and mixtures of reduced BFDMA and DOPE for 4 h. The final concentration of BS is given in the legend. DNA was present at a concentration of 2.4 µg/ml for all samples. “DNA” denotes a control with DNA only (no lipid). Molar fractions of DOPE, φDOPE = DOPE/(BFDMA+DOPE), are given on the x-axis for each sample. The concentration of BFDMA in each sample was 8 µM. Luciferase expression was measured 48 h after exposure to lipoplexes. Error bars represent one standard deviation.